Buick 1940s Spark Plugs (2024-2026) - Parts, Prices & Buying Guide

Find quality spark plugs for your Buick 1940s (2024-2026). Browse 20 available listings with prices starting around $45.19. Improved fuel efficiency.

20 listings available | Prices from $3.28 to $98.52|15 verified sellers

119 Results

Spark Plugs

Found 119 listings for "buick 1940s spark plugs"

Lot of 4 Champion Y-6 Spark Plugs 1930s 1940s Packard Chevrolet Buick Cadillac

Lot of 4 Champion Y-6 Spark Plugs 1930s 1940s Packard Chevrolet Buick Cadillac

A$59.10AUD
New📍 US
+ A$68.14 shipping
Seller: coalchamber998
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New Genuine GM ACDelco Spark Plugs R45S Set Of 8

New Genuine GM ACDelco Spark Plugs R45S Set Of 8

A$46.90AUD
New📍 US
+ A$26.62 shipping
Seller: siracorp
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NEW GENUINE GM ACDelco Spark Plugs R45S Set Of 6

NEW GENUINE GM ACDelco Spark Plugs R45S Set Of 6

A$38.29AUD
New📍 US
+ A$26.35 shipping
Seller: siracorp
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6 Pack Genuine GM ACDelco R45S Spark Plugs 19362366

6 Pack Genuine GM ACDelco R45S Spark Plugs 19362366

A$43.96AUD
New📍 US
+ A$21.99 shipping
Seller: texansupply
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Genuine GM ACDelco Spark Plugs R45S 19362366 Set Of 8 For Buick Olds Pontiac

Genuine GM ACDelco Spark Plugs R45S 19362366 Set Of 8 For Buick Olds Pontiac

A$43.60AUD
New📍 US
+ A$26.52 shipping
Seller: bold_auto_parts
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NEW GENUINE GM ACDelco Spark Plugs R45S Set Of 6

NEW GENUINE GM ACDelco Spark Plugs R45S Set Of 6

A$34.47AUD
New📍 US
+ A$26.24 shipping
Seller: rickrightparts
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8 Spark Plugs 14mm 1938-1942 Buick 248 & 320 straight 8-cylinder 38 39 40 41 42

8 Spark Plugs 14mm 1938-1942 Buick 248 & 320 straight 8-cylinder 38 39 40 41 42

A$39.41AUD
New📍 US
+ A$39.85 shipping
Seller: kfparts
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ACDelco Spark Plugs 19362366 Set of 8 For Chevy Bel Air Chevelle Impala V8

ACDelco Spark Plugs 19362366 Set of 8 For Chevy Bel Air Chevelle Impala V8

A$46.72AUD
New📍 US
+ A$26.60 shipping
Seller: bold_auto_parts
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New Genuine GM ACDelco Spark Plugs R45S Set Of 8 walker spark plug wires egr

New Genuine GM ACDelco Spark Plugs R45S Set Of 8 walker spark plug wires egr

A$49.24AUD
New📍 US
+ A$40.34 shipping
Seller: rebbill-38
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AC Delco Conventional Spark Plugs R45S - Pack of 4 Spark Plugs

AC Delco Conventional Spark Plugs R45S - Pack of 4 Spark Plugs

A$21.33AUD
New📍 US
+ A$37.34 shipping
Seller: jaysstore3771
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AC Delco Spark Plugs R45S BOX SET OF 8

AC Delco Spark Plugs R45S BOX SET OF 8

A$50.87AUD
New📍 US
+ A$39.21 shipping
Seller: kressautochris
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AC GM (Chevy) Spark Plugs R-45S

AC GM (Chevy) Spark Plugs R-45S

A$98.52AUD
New📍 US
+ A$40.23 shipping
Seller: chsha869
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ACDelco Spark Plugs Set of 4 R45S Chevrolet GMC Buick Pontiac Cadillac 46-76

ACDelco Spark Plugs Set of 4 R45S Chevrolet GMC Buick Pontiac Cadillac 46-76

A$31.20AUD
New📍 US
+ A$21.61 shipping
Seller: newunitedautosupply
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8 Pack Genuine GM ACDelco R45S Spark Plugs 19362366

8 Pack Genuine GM ACDelco R45S Spark Plugs 19362366

A$55.45AUD
New📍 US
+ A$22.32 shipping
Seller: texansupply
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AC Delco Conventional Spark Plugs R45S - Pack of 6 Spark Plugs

AC Delco Conventional Spark Plugs R45S - Pack of 6 Spark Plugs

A$65.67AUD
New📍 US
+ A$28.23 shipping
Seller: quicksilver-trading
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New Genuine GM ACDelco Spark Plugs R45S Set Of 8

New Genuine GM ACDelco Spark Plugs R45S Set Of 8

A$52.91AUD
New📍 US
+ A$26.80 shipping
Seller: rickrightparts
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AC Delco Spark Plugs R45S BOX SET OF 8

AC Delco Spark Plugs R45S BOX SET OF 8

A$77.41AUD
New📍 US
+ A$28.57 shipping
Seller: dunguye506
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NEW ACDelco Spark Plugs Set of 4 R45S Chevrolet GMC Buick Pontiac Cadillac 46-76

NEW ACDelco Spark Plugs Set of 4 R45S Chevrolet GMC Buick Pontiac Cadillac 46-76

A$26.19AUD
New📍 US
+ A$26.01 shipping
Seller: gtex_auto
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ACDELCO SPARK PLUG;P/N R45S.

ACDELCO SPARK PLUG;P/N R45S.

A$3.28AUD
New📍 US
+ A$29.00 shipping
Seller: quivira-marine
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2 Pack Genuine GM ACDelco R45S Spark Plugs 19362366

2 Pack Genuine GM ACDelco R45S Spark Plugs 19362366

A$19.33AUD
New📍 US
+ A$21.25 shipping
Seller: texansupply
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About Buick 1940s Spark Plugs Parts

Ensure reliable ignition with quality spark plugs for your Buick 1940s. Spark plugs ignite the air-fuel mixture in your engine cylinders. Replace them according to your vehicle's maintenance schedule for optimal performance and fuel economy.

Why Shop Spark Plugs for Buick 1940s?

  • Genuine OEM and high-quality aftermarket options available
  • Competitive pricing from verified eBay sellers
  • Fast shipping options with buyer protection
  • Easy returns and seller ratings for peace of mind

Buying Tips for Buick 1940s Spark Plugs

OEM vs Aftermarket

For your Buick 1940s, OEM parts guarantee exact fit and function. Quality aftermarket options often provide equivalent performance at lower cost.

Type Selection

Spark Plugs are available in Copper, Platinum, Double platinum options. Choose based on your driving style and budget.

Know When to Replace

Watch for these signs: Rough idle, Misfires, Poor acceleration. Early replacement prevents more expensive repairs.

Parts Availability

As an American manufacturer, parts are widely available from both OEM and aftermarket suppliers across North America.

Technical Information

Spark plugs ignite the air-fuel mixture in your engine cylinders, creating the combustion that powers your vehicle.

Available Types

  • Copper
  • Platinum
  • Double platinum
  • Iridium

Key Benefits

  • Improved fuel efficiency
  • Smoother idle
  • Better acceleration
  • Reduced emissions

Warning Signs to Watch For

  • Rough idle
  • Misfires
  • Poor acceleration
  • Increased fuel consumption
  • Hard starting

Recommended Replacement Interval

Copper: 30,000 miles, Platinum: 60,000 miles, Iridium: 100,000 miles

Installation Information

Difficulty: Moderate
Estimated Time: 1-2 hours
DIY Friendly: Yes

This is a good DIY project for most skill levels.

Installation time may vary for Buick 1940s based on engine bay layout and accessibility.

Frequently Asked Questions

How do I find the right spark plugs for my Buick 1940s?

Verify compatibility using your Buick 1940s's VIN number, production year (2024-2026), and engine code. Check seller compatibility charts and cross-reference OEM part numbers when possible.

How often should I replace spark plugs on my Buick 1940s?

General guideline: Copper: 30,000 miles, Platinum: 60,000 miles, Iridium: 100,000 miles. However, driving conditions (city vs highway, climate, towing) affect replacement frequency. Inspect regularly and replace when warning signs appear.

Should I use OEM or aftermarket spark plugs for my Buick 1940s?

OEM parts guarantee exact Buick specifications and fitment. Quality aftermarket brands often meet or exceed OEM standards at lower prices. For warranty vehicles, check if aftermarket parts affect coverage.

What are signs that my Buick 1940s needs new spark plugs?

Common warning signs include: Rough idle, Misfires, Poor acceleration, Increased fuel consumption, Hard starting. If you notice any of these symptoms, inspect or replace the spark plugs promptly to prevent further damage.

Can I install spark plugs on my Buick 1940s myself?

Yes, this is typically a moderate DIY job taking 1-2 hours. Always consult your owner's manual and follow proper safety procedures.